Individual Calculations April 2009
 Vuilleumier, Alexandre  Total change: 7.20  Rating chartPersonal card
 25e Open International d'Echecs GENEVA SUI 2008-12-26
RcRownchangeKK*chgGame
 2064 2297 4.50 6 -0.21 10 -2.10 
  Bonferroni, Thierry 1947 SUI0.501-0.3910-3.90 
  Jagstaidt, Patrick 2051 SUI1.0010.19101.90 
  Duport, Nicolas 2099 SUI1.0010.24102.40 
  Bagri, Jaspaul 2234 SUI0.001-0.5910-5.90 
  Conway, Anthony 2038 SUI1.0010.18101.80 
  Dubois, Martine wm2016 FRA1.0010.16101.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 Dept Hauts de Seine - R4-5 IDF FRA 2009-01-16
RcRownchangeKK*chgGame
 2100 2305 1.00 1 0.24 10 2.40 
  Ferry, Roger 2100 FRA1.0010.24102.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 23e Open International "Pierre et Vacances" - A Cannes FRA 2009-02-09
RcRownchangeKK*chgGame
 2308 2305 4.50 9 0.08 10 0.80 
  Brunello, Marina wf2106 ITA0.501-0.2610-2.60 
  Piscopo, Pierluigi m2413 ITA1.0010.65106.50 
  Abasov, Nijat Azad Oglu 2397 AZE0.5010.13101.30 
  Duport, Nicolas 2068 SUI1.0010.20102.00 
  Mrdja, Milan m2386 CRO0.001-0.3910-3.90 
  Anic, Darko g2463 FRA0.5010.21102.10 
  Bujisho, Benjamin m2413 FRA0.5010.15101.50 
  Letreguilly, Olivier f2348 FRA0.001-0.4410-4.40 
  Juhasz, Kristof 2181 HUN0.501-0.1710-1.70 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 Open Burgdorf Burgdorf SUI 2009-02-27
RcRownchangeKK*chgGame
 2068 2305 4.50 5 0.61 10 6.10 
  Balacek, Tadeas 2059 CZE0.501-0.3110-3.10 
  Stucki, Ramon 1962 SUI1.0010.12101.20 
  Stoeri, Simon 1955 SUI1.0010.11101.10 
  Cavaletto, Massimo 2070 SUI1.0010.21102.10 
  Habibi, Ali m2294 GER1.0010.48104.80 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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